colobot/src/object/level/parser.cpp

379 lines
11 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#include "object/level/parser.h"
#include "app/app.h"
#include "common/make_unique.h"
#include "common/stringutils.h"
#include "common/resources/inputstream.h"
#include "common/resources/outputstream.h"
#include "common/resources/resourcemanager.h"
#include "object/robotmain.h"
#include "object/level/parserexceptions.h"
#include <string>
#include <exception>
#include <sstream>
#include <iomanip>
#include <set>
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/lexical_cast.hpp>
CLevelParser::CLevelParser()
{
m_filename = "";
m_pathCat = "";
m_pathChap = "";
m_pathLvl = "";
}
CLevelParser::CLevelParser(std::string filename)
{
m_filename = filename;
m_pathCat = "";
m_pathChap = "";
m_pathLvl = "";
}
CLevelParser::CLevelParser(std::string category, int chapter, int rank)
{
m_filename = BuildScenePath(category, chapter, rank);
m_pathCat = BuildCategoryPath(category);
m_pathChap = BuildScenePath(category, chapter, 0, false);
m_pathLvl = BuildScenePath(category, chapter, rank, false);
}
CLevelParser::CLevelParser(LevelCategory category, int chapter, int rank)
: CLevelParser(GetLevelCategoryDir(category), chapter, rank)
{}
std::string CLevelParser::BuildCategoryPath(std::string category)
{
std::ostringstream outstream;
outstream << "levels/";
if (category == "perso" || category == "win" || category == "lost")
{
outstream << "other/";
}
else
{
outstream << category << "/";
}
return outstream.str();
}
std::string CLevelParser::BuildCategoryPath(LevelCategory category)
{
return BuildCategoryPath(GetLevelCategoryDir(category));
}
std::string CLevelParser::BuildScenePath(std::string category, int chapter, int rank, bool sceneFile)
{
std::ostringstream outstream;
outstream << BuildCategoryPath(category);
if (category == "custom")
{
outstream << CRobotMain::GetInstancePointer()->GetCustomLevelName(chapter);
if (rank == 0)
{
if (sceneFile)
{
outstream << "/chaptertitle.txt";
}
}
else
{
outstream << "/level" << std::setfill('0') << std::setw(3) << rank;
if (sceneFile)
{
outstream << "/scene.txt";
}
}
}
else if (category == "perso")
{
assert(chapter == 0);
assert(rank == 0);
outstream << "perso.txt";
}
else if (category == "win" || category == "lost")
{
assert(chapter == 0);
outstream << category << std::setfill('0') << std::setw(3) << rank << ".txt";
}
else
{
outstream << "chapter" << std::setfill('0') << std::setw(3) << chapter;
if (rank == 000)
{
if (sceneFile)
{
outstream << "/chaptertitle.txt";
}
}
else
{
outstream << "/level" << std::setfill('0') << std::setw(3) << rank;
if (sceneFile)
{
outstream << "/scene.txt";
}
}
}
return outstream.str();
}
std::string CLevelParser::BuildScenePath(LevelCategory category, int chapter, int rank, bool sceneFile)
{
return BuildScenePath(GetLevelCategoryDir(category), chapter, rank, sceneFile);
}
bool CLevelParser::Exists()
{
return CResourceManager::Exists(m_filename);
}
void CLevelParser::Load()
{
CInputStream file;
file.open(m_filename);
if (!file.is_open())
throw CLevelParserException("Failed to open file: " + m_filename);
char lang = CApplication::GetInstancePointer()->GetLanguageChar();
std::string line;
int lineNumber = 0;
std::set<std::string> translatableLines;
while (getline(file, line))
{
lineNumber++;
boost::replace_all(line, "\t", " "); // replace tab by space
// ignore comments
std::size_t comment = line.find("//");
if (comment != std::string::npos)
line = line.substr(0, comment);
boost::algorithm::trim(line);
std::size_t pos = line.find_first_of(" \t\n");
std::string command = line.substr(0, pos);
if (pos != std::string::npos)
{
line = line.substr(pos + 1);
boost::algorithm::trim(line);
}
else
{
line = "";
}
if (command.empty())
continue;
auto parserLine = MakeUnique<CLevelParserLine>(lineNumber, command);
parserLine->SetLevel(this);
if (command.length() > 2 && command[command.length() - 2] == '.')
{
std::string baseCommand = command.substr(0, command.length() - 2);
parserLine->SetCommand(baseCommand);
char languageChar = command[command.length() - 1];
if (languageChar == 'E' && translatableLines.count(baseCommand) == 0)
{
translatableLines.insert(baseCommand);
}
else if (languageChar == lang)
{
if (translatableLines.count(baseCommand) > 0)
{
auto it = std::remove_if(
m_lines.begin(),
m_lines.end(),
[&baseCommand](const CLevelParserLineUPtr& line)
{
return line->GetCommand() == baseCommand;
});
m_lines.erase(it, m_lines.end());
}
translatableLines.insert(baseCommand);
}
else
{
continue;
}
}
while (!line.empty())
{
pos = line.find_first_of("=");
std::string paramName = line.substr(0, pos);
boost::algorithm::trim(paramName);
line = line.substr(pos + 1);
boost::algorithm::trim(line);
if (line[0] == '\"')
{
pos = line.find_first_of("\"", 1);
if (pos == std::string::npos)
throw CLevelParserException("Unclosed \" in " + m_filename + ":" + boost::lexical_cast<std::string>(lineNumber));
}
else if (line[0] == '\'')
{
pos = line.find_first_of("'", 1);
if (pos == std::string::npos)
throw CLevelParserException("Unclosed ' in " + m_filename + ":" + boost::lexical_cast<std::string>(lineNumber));
}
else
{
pos = line.find_first_of("=");
if (pos != std::string::npos)
{
std::size_t pos2 = line.find_last_of(" \t\n", line.find_last_not_of(" \t\n", pos-1));
if (pos2 != std::string::npos)
pos = pos2;
}
else
{
pos = line.length()-1;
}
}
std::string paramValue = line.substr(0, pos + 1);
boost::algorithm::trim(paramValue);
parserLine->AddParam(paramName, MakeUnique<CLevelParserParam>(paramName, paramValue));
if (pos == std::string::npos)
break;
line = line.substr(pos + 1);
boost::algorithm::trim(line);
}
if (parserLine->GetCommand().length() > 1 && parserLine->GetCommand()[0] == '#')
{
std::string cmd = parserLine->GetCommand().substr(1, std::string::npos);
if(cmd == "Include")
{
std::unique_ptr<CLevelParser> includeParser = MakeUnique<CLevelParser>(parserLine->GetParam("file")->AsPath(""));
includeParser->Load();
for(CLevelParserLineUPtr& line : includeParser->m_lines)
{
AddLine(std::move(line));
}
}
else
{
throw CLevelParserException("Unknown preprocessor command '#" + cmd + "' (in " + m_filename + ":" + StrUtils::ToString<int>(lineNumber) + ")");
}
}
else
{
AddLine(std::move(parserLine));
}
}
file.close();
}
void CLevelParser::Save()
{
COutputStream file;
file.open(m_filename);
if (!file.is_open())
throw CLevelParserException("Failed to open file: " + m_filename);
for (auto& line : m_lines)
{
file << *(line.get()) << "\n";
}
file.close();
}
std::string CLevelParser::InjectLevelPaths(const std::string& path, const std::string& defaultDir)
{
std::string newPath = path;
if(!m_pathLvl.empty() ) boost::replace_all(newPath, "%lvl%", m_pathLvl);
if(!m_pathChap.empty()) boost::replace_all(newPath, "%chap%", m_pathChap);
if(!m_pathCat.empty() ) boost::replace_all(newPath, "%cat%", m_pathCat);
if(newPath == path && !path.empty())
{
newPath = defaultDir + (!defaultDir.empty() ? "/" : "") + newPath;
}
std::string langPath = newPath;
std::string langStr(1, CApplication::GetInstancePointer()->GetLanguageChar());
boost::replace_all(langPath, "%lng%", langStr);
if(CResourceManager::Exists(langPath))
return langPath;
// Fallback to English if file doesn't exist
boost::replace_all(newPath, "%lng%", "E");
if(CResourceManager::Exists(newPath))
return newPath;
return langPath; // Return current language file if none of the files exist
}
const std::string& CLevelParser::GetFilename()
{
return m_filename;
}
void CLevelParser::AddLine(CLevelParserLineUPtr line)
{
line->SetLevel(this);
m_lines.push_back(std::move(line));
}
CLevelParserLine* CLevelParser::Get(const std::string& command)
{
for (auto& line : m_lines)
{
if (line->GetCommand() == command)
return line.get();
}
throw CLevelParserException("Command not found: " + command);
}
int CLevelParser::CountLines(const std::string& command)
{
int count = 0;
for (auto& line : m_lines)
{
if (line->GetCommand() == command)
count++;
}
return count;
}